name: A surname (very rare: popularity rank in the U.S.: #81417)
noun: An island group in /www.britannica.com/place/Matsu-Island Matsu Island], in Encyclopædia Britannica: "Matsu Island, Chinese (Wade-Giles) Ma-tsu Tao or (Pinyin) Mazu Dao, also called Nankan, small island under the jurisdiction of Taiwan in the East China Sea and […]" synonymous with Lienchiang County, Taiwan (ROC).
noun: An island in Lienchiang, Taiwan, also known as Nangan.
noun: A strait between Beigan and Nangan in Lienchiang County, Taiwan (ROC).
noun: Alternative form of Mazu (goddess). [A Chinese sea goddess, the deified form of Lin Moniang, a medieval Fujianese girl who became revered as a sea goddess and, since the Qing dynasty, especially in Taiwan, more generally as the primary goddess of Heaven.]